[all-commits] [llvm/llvm-project] 374c47: [Flang] Give a more specific error message for exp...

[Andre Kuhlenschmidt via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 374c470cd19381caef4a06f6c794703c47cf3752
      https://github.com/llvm/llvm-project/commit/374c470cd19381caef4a06f6c794703c47cf3752
  Author: Andre Kuhlenschmidt <andre.kuhlenschmidt at gmail.com>
  Date:   2025-02-21 (Fri, 21 Feb 2025)

  Changed paths:
    M flang/include/flang/Parser/parse-tree.h
    M flang/lib/Lower/IO.cpp
    M flang/lib/Parser/io-parsers.cpp
    M flang/lib/Semantics/check-io.cpp
    M flang/test/Semantics/io03.f90
    M flang/test/Semantics/io04.f90
    M flang/test/Semantics/unsigned-errors.f90

  Log Message:
  -----------
  [Flang] Give a more specific error message for expressions where an IO Unit is expected (#126970)

This PR fixes #125446 by specializing the error message that is
generated when an arbitrary expression is used as an IO Unit. See the
tests for specific examples, but the general gist is that if you use a
non-variable expression as the IO unit argument to a read or write, you
now get a more specific error message indicating the the expression
could have been a scalar integer expression or character variable.



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